chore(package): update travis-deploy-once to version 5.0.5

Closes #279

Author: greenkeeper[bot]

package.json

@@ -66,7 +66,7 @@
     "semantic-release": "^12.2.2",
     "standard": "^10.0.3",
     "supertest": "^3.0.0",
-    "travis-deploy-once": "^4.3.1"
+    "travis-deploy-once": "^5.0.5"
   },
   "standard": {
     "globals": [